From nobody Sat May 10 08:02:14 2025 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 80.81.252.135 is neither permitted nor denied by domain of seabios.org) client-ip=80.81.252.135; envelope-from=seabios-bounces@seabios.org; helo=mail.coreboot.org; Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 80.81.252.135 is neither permitted nor denied by domain of seabios.org) smtp.mailfrom=seabios-bounces@seabios.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from mail.coreboot.org (mail.coreboot.org [80.81.252.135]) by mx.zohomail.com with SMTPS id 1529067535529776.9647118524765; Fri, 15 Jun 2018 05:58:55 -0700 (PDT) Received: from [127.0.0.1] (helo=ra.coreboot.org) by mail.coreboot.org with esmtp (Exim 4.86_2) (envelope-from ) id 1fToLs-0001KV-PK; Fri, 15 Jun 2018 15:01:16 +0200 Received: from mx3-rdu2.redhat.com ([66.187.233.73] helo=mx1.redhat.com) by mail.coreboot.org with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.86_2) (envelope-from ) id 1fToLd-0001EO-35 for seabios@seabios.org; Fri, 15 Jun 2018 15:01:13 +0200 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 103E6818A6BE for ; Fri, 15 Jun 2018 12:57:43 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-109.ams2.redhat.com [10.36.116.109]) by smtp.corp.redhat.com (Postfix) with ESMTP id C2BEC10EE964; Fri, 15 Jun 2018 12:57:40 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 83D9A24EF0F; Fri, 15 Jun 2018 14:57:39 +0200 (CEST) From: Gerd Hoffmann To: seabios@seabios.org Date: Fri, 15 Jun 2018 14:57:35 +0200 Message-Id: <20180615125737.10794-2-kraxel@redhat.com> In-Reply-To: <20180615125737.10794-1-kraxel@redhat.com> References: <20180615125737.10794-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 15 Jun 2018 12:57:43 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 15 Jun 2018 12:57:43 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'kraxel@redhat.com' RCPT:'' X-Spam-Score: -6.0 (------) Subject: [SeaBIOS] [PATCH v2 1/3] pmm: use tmp zone on oom X-BeenThere: seabios@seabios.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: SeaBIOS mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gerd Hoffmann MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Errors-To: seabios-bounces@seabios.org Sender: "SeaBIOS" X-Duff: Orig. Duff, Duff Lite, Duff Dry, Duff Dark, Raspberry Duff, Lady Duff, Red Duff, Tartar Control Duff X-ZohoMail: RSF_4 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Gerd Hoffmann --- src/pmm.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/src/pmm.c b/src/pmm.c index 6403414724..28b253b2d3 100644 --- a/src/pmm.c +++ b/src/pmm.c @@ -8,6 +8,7 @@ #include "config.h" // CONFIG_* #include "malloc.h" // _malloc #include "output.h" // dprintf +#include "e820map.h" // struct e820entry #include "std/pmm.h" // PMM_SIGNATURE #include "string.h" // checksum #include "util.h" // pmm_init @@ -75,6 +76,18 @@ handle_pmm00(u16 *args) break; case 2: data =3D malloc_palloc(highzone, size, align); + if (!data && (flags & 8)) { + /* + * We are out of meory. So go allocate from the (big) + * ZoneTmpHigh instead and reserve the block in the e820 + * map so the OS will not override it. That way we can + * handle big permanent allocations without needing a big + * ZoneHigh. + */ + data =3D malloc_palloc(&ZoneTmpHigh, size, align); + if (data) + e820_add(data, size, E820_RESERVED); + } break; case 3: { data =3D malloc_palloc(lowzone, size, align); --=20 2.9.3 _______________________________________________ SeaBIOS mailing list SeaBIOS@seabios.org https://mail.coreboot.org/mailman/listinfo/seabios